Java LinkedTransferQueue peek() Method
The peek() method of Java LinkedTransferQueue class retrieves the head of this queue, but doesn't remove it. The method returns null if this queue is empty.
The peek() method of LinkedTransferQueue class is specified by peek() method in interface Queue<E>.
The peek() method returns this queue's head and if this queue is empty, it returns null.
Example 1Test it Now
Head of queue : Jack Queue : [Jack, Harry, Peter, Krish]
Example 2Test it Now
Harry got 97 marks. John got 87 marks. Peter got 77 marks. Topper of the class is Harry
Example 3Test it Now
Head of queue is : null